container/vfs: wrap decoder errors

This passes line information and handles strconv errors so it reads better.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/container/mount.go b/container/mount.go
index fc2a16e2..6b134ce4 100644
--- a/container/mount.go
+++ b/container/mount.go
@@ -149,7 +149,7 @@ func (p *procPaths) remount(target string, flags uintptr) error {
 	return p.mountinfo(func(d *vfs.MountInfoDecoder) error {
 		n, err := d.Unfold(targetKFinal)
 		if err != nil {
-			if errors.Is(err, ESTALE) {
+			if errors.As(err, new(vfs.UnfoldTargetError)) {
 				return msg.WrapErr(err,
 					fmt.Sprintf("mount point %q never appeared in mountinfo", targetKFinal))
 			}